对于有症状的冠状动脉疾病患者,已证明冠状动脉旁路手术优于内科疗法,且可望延长某些病例的寿命.但以恢复工作为指标来衡量治疗结果时,却存有争议且常常难以令人满意.长期追踪发现,病人的移植静脉和原有的血管上有粥样硬化形成,同时伴有症状复发.现已证明了动脉粥样硬化的典型危险因素与这些血管变化间的相关性,而对高血 Coronary artery bypass surgery has proved to be superior to medical therapy in patients with symptomatic coronary artery disease and is expected to prolong the life of some cases, but restoring work as a measure of treatment outcome is controversial and often difficult Satisfactory. Long-term follow-up found that patients with graft veins and the original vascular atherosclerotic formation, accompanied by the recurrence of symptoms has been demonstrated atherosclerosis typical risk factors and vascular changes between the correlation , While high blood